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轮毂处理
相关语句
  hub treatment
     PRIMARY EXPERIMENTAL INVESTIGATION OF HUB TREATMENT OF COMPRESSOR
     压气机轮毂处理实验初探
短句来源
     The hub treatment with a circumferential groove was tested on the stator hub and compared with the casing treatment over the rotor tip for a single stage axial flow compressor.
     在单级轴流压气机的静子内径处进行轮毂处理 ,以模拟转子尖部的机匣处理。
短句来源
     3-D NUMERICAL SIMULATION OF BLADE-ANGLE SLOTTED HUB TREATMENT
     叶片安装角槽式轮毂处理的三维数值模拟
短句来源
     EFFECT OF HUB TREATMENT ON PERFORMANCE OF AN AXIAL FLOW COMPRESSOR
     轮毂处理对单级压气机性能的影响
短句来源
     The hub treatment with a circumferential groove was tested on the stator hub and compared with the casing treatment over the rotor tip for a single stage axial flow compressor.
     在单级轴流压气机上,用周向槽式处理机匣在静子内径处进行轮毂处理,与转子尖部机匣处理作类比。
短句来源
更多       
  相似匹配句对
     PRIMARY EXPERIMENTAL INVESTIGATION OF HUB TREATMENT OF COMPRESSOR
     压气机轮毂处理实验初探
短句来源
     INVESTIGATION ON THE MECHANISM OF EXTENDING STABILITY FOR HUB TREATMENT
     轮毂处理扩稳的机理探讨
短句来源
     TREATMENT OF ION EXCHANGE RESINS
     离子交换树脂的处理
短句来源
     R. japoncnsis was treated as a variety under R.
     japonensis处理为R.
短句来源
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The hub treatment with a circumferential groove was tested on the stator hub and compared with the casing treatment over the rotor tip for a single stage axial flow compressor.The 3D flowfield at the downflow of stator and rotor blade rows,in particular its endwall flowfield,in optimum operating and near stall states were measured by a micro-five-hole probe.It was shown that stall margin can be improved not only for the single-stage(=2 96%),but...

The hub treatment with a circumferential groove was tested on the stator hub and compared with the casing treatment over the rotor tip for a single stage axial flow compressor.The 3D flowfield at the downflow of stator and rotor blade rows,in particular its endwall flowfield,in optimum operating and near stall states were measured by a micro-five-hole probe.It was shown that stall margin can be improved not only for the single-stage(=2 96%),but also for the rotor(=2 79%),even if the onset of stall is at the rotor tip first.The reason is that the stall affected by treatment groove to retard the appearance of stall.Some initial researches have been made for improvement of performance of the single stage and rotor,as well as the relation between the rotor and stator.It is found that the trend in variation of the most performance parameters of the rotor with hub treatment is similar to that of isolated rotor with casing treatment.According to the analysis of downflow,a new flow phenomanon is clarified:the dangenous stall locates at the blade hub and near the pressure surface.The mechanism to extend stability for a hub treatment with circumferential groove is also considered.

在单级轴流压气机的静子内径处进行轮毂处理 ,以模拟转子尖部的机匣处理。用小型五孔探针详细测量了最佳工作状态和近失速边界状态下转子与静子叶片排下游气流的三元流场 ,特别是其端部流场。结果发现 ,对于转子叶尖失速型的级 ,静子轮毂处理不仅可以提高级的稳定裕度 ,而且也提高了转子的稳定裕度。此外对级和转子性能的变化及转子与静子之间的相互影响作了一些初步研究 ,进一步剖析了周向槽轮毂处理的扩稳机理

The hub treatment with a circumferential groove was tested on the stator hub and compared with the casing treatment over the rotor tip for a single stage axial flow compressor. The 3D flowfield at the downflow of stator blade rows, particularly its endwall flowfield in optimum operation and near stall state were measured by a microfive-hole probe. It was shown that stall margin can be improved , even if the onset of stall is at the rotor tip first. The relation between the mechanism of stability extension and...

The hub treatment with a circumferential groove was tested on the stator hub and compared with the casing treatment over the rotor tip for a single stage axial flow compressor. The 3D flowfield at the downflow of stator blade rows, particularly its endwall flowfield in optimum operation and near stall state were measured by a microfive-hole probe. It was shown that stall margin can be improved , even if the onset of stall is at the rotor tip first. The relation between the mechanism of stability extension and stall transfer was obtained. A physical modle of effect of circumferential inducing velocity on the endwall secondary flow is proposed. The mechanism to extend stability of circumferential grooved hub treatment was also analyesd with more details.

在单级轴流压气机上,用周向槽式处理机匣在静子内径处进行轮毂处理,与转子尖部机匣处理作类比。用小型5孔探针测试技术详细测量了在最佳工作状态和近失速边界状态下静子叶片排下游气流的三元流场,特别是其端部流场,发现对于转子叶尖失速型的级,在其静子轮毂处理也可以提高级的稳定裕度。并提出其扩稳机理与失速转移的关系,提出了周向诱导速度影响二次流的物理模型,进一步剖析了周向槽机匣处理的扩稳机理。

Three-dimensional incompressible steady time-averaged N-Sequation,continuity equation and k-ε turbulence model equations are applied to calculation of the flowfield in the cascade passage with blade-angle slotted hub treatment.The mechanism of extending stability by blade-angle slotted hub treatment is elaborated by means of a three-dimensional viscous numerical simulation.It is revealed that a pressure difference between suction and pressure sides induces a strong flow which enters in the rear of the slot...

Three-dimensional incompressible steady time-averaged N-Sequation,continuity equation and k-ε turbulence model equations are applied to calculation of the flowfield in the cascade passage with blade-angle slotted hub treatment.The mechanism of extending stability by blade-angle slotted hub treatment is elaborated by means of a three-dimensional viscous numerical simulation.It is revealed that a pressure difference between suction and pressure sides induces a strong flow which enters in the rear of the slot and pours out from the front of the slot.This flow blows off the low energe boundary layer and retards stall emergence.The SIMPLE algorithm with non-stagger grid is employed to solve the problem of the pressure oscillation.

采用三维定常不可压N-S方程对叶片安装角槽式的轮毂处理的叶栅通道进行了数值模拟,分析了叶片安装角槽式的轮毂处理的扩稳机理,在计算中采用了非交错网格的SIMPLE算法,并解决了因使用非交错网格离散方程而带来的压力场振荡的抑制问题,紊流模型采用k-ε两方程模型。

 
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